Millimeter to Inch

1 mm = 0.03937 in

One millimeter equals 0.03937 inches, and one inch equals 25.4 millimeters.

Millimeter to Inch formula

in = mm × 0.039370079

To convert millimeters to inches, multiply the value by 0.039370079. One millimeter equals 0.03937 inches.

Step-by-step examples

Convert 1 millimeters to inches

  1. 1Start with the value in millimeters: 1 mm.
  2. 2Multiply by the conversion factor 0.039370079.
  3. 31 × 0.039370079 = 0.03937 in.

Result: 1 mm = 0.03937 in

Convert 10 millimeters to inches

  1. 1Start with the value in millimeters: 10 mm.
  2. 2Multiply by the conversion factor 0.039370079.
  3. 310 × 0.039370079 = 0.393701 in.

Result: 10 mm = 0.393701 in

Convert 100 millimeters to inches

  1. 1Start with the value in millimeters: 100 mm.
  2. 2Multiply by the conversion factor 0.039370079.
  3. 3100 × 0.039370079 = 3.937008 in.

Result: 100 mm = 3.937008 in

Millimeter to Inch conversion table

Millimeter (mm)Inch (in)
0.010.000394
0.10.003937
0.50.019685
10.03937
20.07874
30.11811
40.15748
50.19685
100.393701
200.787402
250.984252
501.968504
1003.937008
2509.84252
50019.685039
100039.370079

Millimeter to Inch chart

00.10.20.30.390 mm10 mm

mm (horizontal) vs in (vertical)

Batch convert — paste multiple values
Reverse: Inch to Millimeter

Frequently asked questions

How many inches are in a millimeter?

There are 0.03937 inches in one millimeter (1 mm = 0.03937 in).

How do you convert millimeters to inches?

To convert millimeters to inches, multiply the value by 0.039370079. One millimeter equals 0.03937 inches.

What is 10 millimeters in inches?

10 millimeters equals 0.393701 inches.

How many millimeters are in a inch?

One inch equals 25.4 millimeters (1 in = 25.4 mm).